You can even change the query that is used to retrieve data for the report. Parameters. You can use expressions in a parameter to vary the default value for the parameter. For example, you can use a parameter to filter data to a particular user based on the user ID that is used to run the report.
Platform as a service (PaaS) is a cloud computing model that delivers applications over the Internet. In a PaaS model, a cloud provider delivers hardware and software tools -- usually those needed for application development -- to its users as a service. A PaaS provider hosts the hardware and software on its own infrastructure.
IaaS is only one of several cloud computing models, and it is complemented by alternative models that include PaaS and SaaS. PaaS builds on the IaaS model because, in addition to the underlying infrastructure components, providers host, manage and offer operating systems, middleware and other runtimes for cloud users.